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Bing-You RG, Lee R, Trowbridge RL, Varaklis K, Hafler JP.Bing-You RG, et al.J Grad Med Educ. 2009 Sep;1(1):100-3. doi: 10.4300/01.01.0016.J Grad Med Educ. 2009.PMID: 21975714Free PMC article.No abstract available.